js Cookie

<html>
  <head>
    <script language="javascript">
      function Window_Load(){
       setCookie("name","111"); //临时cookie
       setCookie("age","222",24 * 7);  //保存7天
       setCookie("address","333",24,"/"); //保存1天,path为根目录
        
       //设定cookie为安全的(secure=true),只能在HTTPS或与其他安全协议
       //连接在一起的时候才被传输
       setCookie("phone","444",24,"/",".",false);
       alert(document.cookie);
       alert(getCookie("age"));
        
       //删除名称为"age"的cookie
       removeCookie("age") 
       alert(document.cookie);
       //删除名称为"address"的cookie,因为设置时设定的path,所以删除
       //时也需要传入对应path
       removeCookie("address","/") 
       alert(document.cookie);  
      }
       
      function setCookie(name,value,hours,path,domain,secure){
          var cdata = name + "=" + value;
          if(hours){
              var d = new Date();
              d.setHours(d.getHours() + hours);
              cdata += "; expires=" + d.toGMTString();
          }
          cdata +=path ? ("; path=" + path) : "" ;
          cdata +=domain ? ("; domain=" + domain) : "" ;
          cdata +=secure ? ("; secure=" + secure) : "" ;
          document.cookie = cdata;
      }
       
      function getCookie(name){
          var reg = eval("/(?:^|;\s*)" + name + "=([^=]+)(?:;|$)/"); 
          return reg.test(document.cookie) ? RegExp.$1 : "";
      }
       
      function removeCookie(name,path,domain){
          this.setCookie(name,"",-1,path,domain);
      }
        
    </script>
  </head>
  <body onload="Window_Load();">
   
  </body>
</html>